<template>
  <!-- 底部菜单 active选中的index,选中颜色,开启路由模式 -->
  <van-tabbar
    v-model="active"
    active-color="#fc6627"
    inactive-color="#000"
    route
  >
    <van-tabbar-item to="/">
      <span>首页</span>
      <!-- 作用域组件/ #icon=v-slot:icon -->
      <template #icon="{ active }">
        <!-- 图表组件使用 -->
        <GeekIcon :name="active ? 'home-sel' : 'home'"></GeekIcon>
      </template>
    </van-tabbar-item>
    <van-tabbar-item to="/question">
      <span>问答</span>
      <template v-slot:icon="{ active }">
        <GeekIcon v-if="active" name="qa-sel"></GeekIcon>
        <GeekIcon v-else name="qa"></GeekIcon>
      </template>
    </van-tabbar-item>
    <van-tabbar-item to="/video">
      <span>视频</span>
      <template v-slot:icon="{ active }">
        <GeekIcon v-if="active" name="video-sel"></GeekIcon>
        <GeekIcon v-else name="video"></GeekIcon>
      </template>
    </van-tabbar-item>
    <van-tabbar-item icon="manager-o" to="/user">
      <span>我的</span>
      <template v-slot:icon="{ active }">
        <GeekIcon v-if="active" name="mine-sel"></GeekIcon>
        <GeekIcon v-else name="mine"></GeekIcon>
      </template>
    </van-tabbar-item>
  </van-tabbar>
</template>
<script>
export default {
  name: 'Tabbar',
  data () {
    return {
      active: 0
    }
  }
}
</script>
<style scoped lang="less">
.van-tabbar {
  background: #f7f8fa;
  position: static;
}
::v-deep .van-tabbar-item--active {
  color: @geek-color;
  background-color: #f7f8fa;
}
::v-deep .van-tabbar-item__icon {
  font-size: 20px;
}
::v-deep .van-tabbar-item__text {
  font-size: 10px;
}
</style>
